MIUIX Holdings — MFS Municipal Intermediate Fund

Data updated: 2026-08-25

MIUIX holds 696 securities. The top 10 make up 7.5% of net assets, led by MFS Institutional Money Market Portfolio, Class A (3.38%) and Central Texas Regional Mobility Authority, Series 2020 A (0.52%). Municipal Bonds (96.2%) and Funds & ETFs (3.4%) are the largest sectors, and 98.9% of the portfolio is in United States. Debt holdings: 693 positions, 94.6% of assets.

Holdings cover 99.30% of net asset value (98.08% of total assets; remainder is cash and receivables). As of June 30, 2026 · N-PORT.

MIUIX Portfolio Holdings

696 holdings of MFS Municipal Intermediate Fund by percentage of net assets, from the fund's SEC N-PORT filing as of June 30, 2026. The 100 largest are listed below; the interactive table on this page lists all 696.

HoldingTickerSector% of net assetsValue (USD)
MFS Institutional Money Market Portfolio, Class A—Funds & ETFs3.38%$14.71M
Central Texas Regional Mobility Authority, Series 2020 A—Municipal Bonds0.52%$2.27M
Black Belt Energy Gas District, Series 2026F—Municipal Bonds0.48%$2.10M
Black Belt Energy Gas District, Series 2026 A—Municipal Bonds0.47%$2.04M
Public Finance Authority, Series 2026 A-1—Municipal Bonds0.46%$2.00M
Black Belt Energy Gas District, Series 2026 I—Municipal Bonds0.45%$1.97M
Massachusetts Development Finance Agency, Series 2026H—Municipal Bonds0.45%$1.95M
Massachusetts Development Finance Agency, Series 2026Q—Municipal Bonds0.42%$1.82M
Vermont Student Assistance Corp.—Municipal Bonds0.42%$1.81M
California Community Choice Financing Authority, Series 2024 H—Municipal Bonds0.41%$1.81M
Park Creek Metropolitan District, Series 2025—Municipal Bonds0.41%$1.80M
Virginia Small Business Financing Authority, Series 2026A—Municipal Bonds0.41%$1.77M
Harris County Cultural Education Facilities Finance Corp., Series 2026A—Municipal Bonds0.39%$1.71M
North Carolina Medical Care Commission, Series 2026 A—Municipal Bonds0.39%$1.71M
California Health Facilities Financing Authority, Series 2025 C3—Municipal Bonds0.39%$1.70M
Illinois Finance Authority, Series 2025 A3—Municipal Bonds0.39%$1.68M
Collier County Industrial Development Authority, Series 2026B—Municipal Bonds0.38%$1.67M
Black Belt Energy Gas District, Series 2025 F—Municipal Bonds0.38%$1.66M
Energy Southeast A Cooperative District, Series 2025B—Municipal Bonds0.38%$1.65M
City of Shreveport, Series 2025—Municipal Bonds0.38%$1.65M
Tarrant County Cultural Education Facilities Finance Corp., Series 2026E—Municipal Bonds0.37%$1.63M
Connecticut State Higher Education Supplement Loan Authority—Municipal Bonds0.37%$1.63M
Public Finance Authority, Series 2026—Municipal Bonds0.37%$1.62M
Connecticut State Health & Educational Facilities Authority, Series 2026A—Municipal Bonds0.37%$1.61M
Lancaster Municipal Authority, Series 2025A—Municipal Bonds0.37%$1.61M
Central Valley Energy Authority, Series 2026—Municipal Bonds0.37%$1.61M
Allegheny County Higher Education Building Authority, Series 2026—Municipal Bonds0.37%$1.60M
Industrial Development Authority of the City of Phoenix Arizona (The), Series 2013—Municipal Bonds0.37%$1.60M
Bristol Township School District, Series 2026—Municipal Bonds0.37%$1.60M
Texas Municipal Gas Acquisition & Supply Corp. VI, Series 2025—Municipal Bonds0.36%$1.59M
North Carolina Medical Care Commission, Series 2026 A—Municipal Bonds0.36%$1.57M
FW Skyline Public Facility Corp., Series 2026—Municipal Bonds0.36%$1.57M
Pecos Barstow Toyah Independent School District, Series 2023—Municipal Bonds0.36%$1.55M
Klickitat County Public Utility District No. 1, Series 2025—Municipal Bonds0.35%$1.52M
Jacksonville Housing Authority, Series 2024—Municipal Bonds0.34%$1.48M
Alaska Railroad Corp., Series 2025—Municipal Bonds0.34%$1.47M
Memorial City Redevelopment Authority, Series 2025—Municipal Bonds0.34%$1.46M
Arizona Industrial Development Authority, Series 2025A—Municipal Bonds0.34%$1.46M
Kentucky Public Energy Authority, Series 2025B—Municipal Bonds0.33%$1.46M
Allegheny County Airport Authority, Series 2025A—Municipal Bonds0.32%$1.42M
Jacksonville Public Educational Building Authority, Series 2024 A—Municipal Bonds0.32%$1.39M
STC Metropolitan District No. 2, Series 2025A-1—Municipal Bonds0.32%$1.39M
Burbank-Glendale-Pasadena Airport Authority Brick Campaign, Series 2026 B—Municipal Bonds0.32%$1.38M
St Clair County Community Unit School District No. 187 Cahokia, Series 2026 A—Municipal Bonds0.32%$1.38M
Chester County Health and Education Facilities Authority, Series 2025—Municipal Bonds0.31%$1.36M
Southern Ute Indian Tribe of the Southern Ute Reservation of Colorado, Series 2025 A—Municipal Bonds0.31%$1.36M
Arizona Industrial Development Authority, Series 2019A—Municipal Bonds0.31%$1.34M
City of Grey Forest, Series 2026—Municipal Bonds0.30%$1.33M
Texas Department of Housing & Community Affairs, Series 2025A—Municipal Bonds0.30%$1.32M
Indiana Finance Authority, Series 2026—Municipal Bonds0.30%$1.32M
Florida Local Government Finance Commission, Series 2025 B-2—Municipal Bonds0.30%$1.31M
Southeast Energy Authority A Cooperative District, Series 2024C—Municipal Bonds0.30%$1.31M
District of Columbia Housing Finance Agency, Series 2024 A2—Municipal Bonds0.30%$1.30M
District of Columbia Housing Finance Agency, Series 2025A—Municipal Bonds0.30%$1.29M
Build NYC Resource Corp., Series 2025A—Municipal Bonds0.30%$1.29M
New Hampshire Business Finance Authority—Municipal Bonds0.29%$1.28M
Fort Collins Housing Authority, Series 2026 A—Municipal Bonds0.29%$1.28M
Metropolitan Nashville Airport Authority (The)—Municipal Bonds0.29%$1.27M
California Community Choice Financing Authority—Municipal Bonds0.29%$1.27M
Chandler Industrial Development Authority—Municipal Bonds0.29%$1.27M
Indianapolis Local Public Improvement Bond Bank, Series 2025 B-2—Municipal Bonds0.29%$1.24M
Massachusetts Development Finance Agency, Series 2025—Municipal Bonds0.29%$1.24M
California Housing Finance Agency—Municipal Bonds0.28%$1.24M
New York State Energy Research & Development Authority, Series 2004B—Municipal Bonds0.28%$1.23M
Iowa Student Loan Liquidity Corp., Series 2023 B—Municipal Bonds0.28%$1.23M
Public Finance Authority—Municipal Bonds0.27%$1.19M
County of Spokane, Series 2024 B—Municipal Bonds0.27%$1.19M
Dallas Metrocare Services, Series 2025—Municipal Bonds0.27%$1.18M
New Hampshire Business Finance Authority—Municipal Bonds0.27%$1.17M
Public Finance Authority, Series 2024 A—Municipal Bonds0.27%$1.17M
Columbus-Franklin County Finance Authority, Series 2025 A—Municipal Bonds0.26%$1.14M
Pennsylvania Economic Development Financing Authority, Series 2025A—Municipal Bonds0.26%$1.14M
Public Finance Authority—Municipal Bonds0.26%$1.13M
Albany Hospital Facility Authority, Series 2026A—Municipal Bonds0.26%$1.13M
Massachusetts Development Finance Agency, Series 2026A—Municipal Bonds0.26%$1.13M
Texas Public Finance Authority, Series 2023—Municipal Bonds0.26%$1.12M
Alabama Special Care Facilities Financing Authority-Birmingham, Series 2025A—Municipal Bonds0.26%$1.11M
County of Pasco—Municipal Bonds0.26%$1.11M
State of Maryland Department of Transportation, Series 2024 A—Municipal Bonds0.26%$1.11M
Gunnison County Housing Authority, Series 2025—Municipal Bonds0.25%$1.11M
City of Salt Lake City, Series 2023A—Municipal Bonds0.25%$1.11M
Omaha Airport Authority, Series 2024—Municipal Bonds0.25%$1.10M
Illinois Finance Authority—Municipal Bonds0.25%$1.10M
Rhode Island Student Loan Authority, Series 2024 A—Municipal Bonds0.25%$1.10M
North Texas Municipal Water District Water System, Series 2025—Municipal Bonds0.25%$1.10M
City of Houston, Series 2023A—Municipal Bonds0.25%$1.10M
Colorado Health Facilities Authority—Municipal Bonds0.25%$1.10M
Maryland Health & Higher Educational Facilities Authority, Series 2026A—Municipal Bonds0.25%$1.10M
Chicago Midway International Airport, Series 2023A—Municipal Bonds0.25%$1.10M
Infirmary Health System Special Care Facilities Financing Authority of Mobile—Municipal Bonds0.25%$1.09M
New Jersey Higher Education Student Assistance Authority, Series 2024 B—Municipal Bonds0.25%$1.09M
Pennsylvania Economic Development Financing Authority Parking System, Series 2024 C—Municipal Bonds0.25%$1.09M
City of Bondurant, Series 2025B—Municipal Bonds0.25%$1.09M
Indiana Finance Authority, Series 2025D-5—Municipal Bonds0.25%$1.09M
Rhode Island Student Loan Authority, Series 2025A—Municipal Bonds0.25%$1.09M
City of Shreveport, Series 2024—Municipal Bonds0.25%$1.09M
San Francisco City & County Airport Comm-San Francisco International Airport, Series 2024 A—Municipal Bonds0.25%$1.09M
Wisconsin Health & Educational Facilities Authority, Series 2024 B—Municipal Bonds0.25%$1.08M
Cook County Community College District No. 508, Series 2024—Municipal Bonds0.25%$1.08M
Pennsylvania Economic Development Financing Authority—Municipal Bonds0.25%$1.08M

MIUIX Sector Allocation

MFS Municipal Intermediate Fund holdings grouped by sector, by share of the portfolio's market value.

SectorWeightHoldings
Municipal Bonds96.2%690
Funds & ETFs3.4%1
Mortgage / Securitized0.2%2
Corporate Bonds0.1%2
Unknown0.1%1

MIUIX Country Allocation

Where MFS Municipal Intermediate Fund's holdings are domiciled, by percentage of net assets (largest 3).

Country% of net assets
United States98.9%
Guam0.2%
Puerto Rico0.2%

MIUIX Portfolio Allocation

Asset-class allocation of MFS Municipal Intermediate Fund by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Fixed Income95.7%
Cash & Equivalents3.4%
Securitized0.2%

MIUIX Debt Constituents

Largest debt holdings of MFS Municipal Intermediate Fund by percentage of net assets, from the latest SEC N-PORT filing.

Debt holding% of net assets
Central Texas Regional Mobility Authority0.52%
Black Belt Energy Gas District0.48%
Black Belt Energy Gas District0.47%
Public Finance Authority0.46%
Black Belt Energy Gas District0.45%
Massachusetts Development Finance Agency0.45%
Massachusetts Development Finance Agency0.42%
Vermont Student Assistance Corp.0.42%
California Community Choice Financing Authority0.41%
Park Creek Metropolitan District0.41%

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.